GB263009A - Illuminating means - Google Patents
Illuminating meansInfo
- Publication number
- GB263009A GB263009A GB9043/26A GB904326A GB263009A GB 263009 A GB263009 A GB 263009A GB 9043/26 A GB9043/26 A GB 9043/26A GB 904326 A GB904326 A GB 904326A GB 263009 A GB263009 A GB 263009A
- Authority
- GB
- United Kingdom
- Prior art keywords
- illuminating means
- kirby
- filaments
- assignees
- staggered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
263,009. Kirby, Inc., (Assignees of Kirby, G. T., and Day, H. 1.). Jan. 16, 1926, [Convention date]. Filaments. - An incandescent electric lamp bulb 2 for projection purposes may be provided with a monoplane filament 13 or with staggered filaments.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US263009XA | 1926-01-16 | 1926-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB263009A true GB263009A (en) | 1926-12-23 |
Family
ID=21831026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9043/26A Expired GB263009A (en) | 1926-01-16 | 1926-04-06 | Illuminating means |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB263009A (en) |
-
1926
- 1926-04-06 GB GB9043/26A patent/GB263009A/en not_active Expired
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